Author Topic: Color sensor  (Read 5300 times)

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Offline wjweijoTopic starter

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Color sensor
« on: May 23, 2008, 10:42:27 PM »
Can anyone have the circuit diagram for color sensor using LDR??? i'm using color sensor to sense the color available at the station....
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Offline Admin

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Re: Color sensor
« Reply #1 on: May 25, 2008, 03:16:34 PM »
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Offline Nyx

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Re: Color sensor
« Reply #2 on: May 25, 2008, 03:29:53 PM »
What about just putting red/green/blue colored filters in front of photoresistors?
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Offline wjweijoTopic starter

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Re: Color sensor
« Reply #3 on: May 25, 2008, 07:49:46 PM »
thanks for the info....so the components needed just the LDR, red LED, blue LED, green LED and a filter?? just like that, rite?
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Offline Admin

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Re: Color sensor
« Reply #4 on: May 30, 2008, 08:31:58 PM »
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What about just putting red/green/blue colored filters in front of photoresistors?
Filters? Are you sure you aren't thinking of tinted lenses? (entirely different!)

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so the components needed just the LDR, red LED, blue LED, green LED
Well, the LED's must have resistors placed in serial, but yea thats all you need.
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Offline Nyx

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Re: Color sensor
« Reply #5 on: May 30, 2008, 09:26:01 PM »
Quote from: Admin on May 30, 2008, 08:31:58 PM
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What about just putting red/green/blue colored filters in front of photoresistors?
Filters? Are you sure you aren't thinking of tinted lenses? (entirely different!)

Tinted lenses, AKA color filters.
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